Okay my Dial Plan from "Line 1" reads...
Dial Plan: (*x.|*xx*|x.)
And here's the console output when I try to make an outgoing call via XLite...
asterisk*CLI>
-- Executing [6171234567@internal:1] AGI("SIP/5003-08a87598", "selintra|OutCluster|6171234567") in new stack
-- Launched AGI Script /var/lib/asterisk/agi-bin/selintra
-- AGI Script selintra completed, returning 0
-- Executing [6171234567@default:1] AGI("SIP/5003-08a87598", "selintra|OutRoute|RouteName") in new stack
-- Launched AGI Script /var/lib/asterisk/agi-bin/selintra
-- AGI Script Executing Application: (Set) Options: (CALLERID(NUMBER)=6179999999))
-- AGI Script Executing Application: (Dial) Options: (SIP/6171234567@6179999999)
-- Called 6171234567@6179999999
-- SIP/6179999999-08acb788 is circuit-busy
== Everyone is busy/congested at this time (1:0/1/0)
-- AGI Script Executing Application: (Background) Options: (were-sorry)
-- <SIP/5003-08a87598> Playing 'were-sorry' (language 'en')
-- AGI Script Executing Application: (Background) Options: (call-cannot-complete)
[May 27 14:43:12] WARNING[4282]: file.c:553 ast_openstream_full: File call-cannot-complete does not exist in any format
[May 27 14:43:12] WARNING[4282]: file.c:804 ast_streamfile: Unable to open call-cannot-complete (format 0x4 (ulaw)): No such file or directory
[May 27 14:43:12] WARNING[4282]: pbx.c:5668 pbx_builtin_background: ast_streamfile failed on SIP/5003-08a87598 for call-cannot-complete
-- AGI Script Executing Application: (Background) Options: (please-hang-up-and-try-again)
-- <SIP/5003-08a87598> Playing 'please-hang-up-and-try-again' (language 'en')
-- AGI Script selintra completed, returning 0
== Auto fallthrough, channel 'SIP/5003-08a87598' status is 'CONGESTION'
asterisk*CLI>